Question

Вычислите 1) 3/5+5/9, 2) 13/24-7/16, 3) 1 4/15+3 7/25 4) 8 17/21-6 7/14

Answer 1

3/5+5/9=27/45+25/45=52/45=1 7/45
13/24-7/16=208/384-168/384=40/384
1 4/15+3 7/25=19/15+82/25=285/225+2050/225=2278/225=10 28/225
8 17/21-6 7/14=185/21-91/14=2590/294-1911/294=679/294=2 91/294

Answer 2

Спасибо